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Finding the Fourth Proportional to 360,992.42, 498,149.79 and 197,617.33

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Solution

The fourth proportional to 360,992.42, 498,149.79 and 197,617.33 is: 272,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,992.42 : 498,149.79 = 197,617.33 : x
  2. Step 2: Convert to fraction form
    360,992.42/498,149.79 = 197,617.33/x
  3. Step 3: Cross multiply
    360,992.42x = 498,149.79 × 197,617.33
  4. Step 4: Simplify right side
    360,992.42x = 98,443,032,803.61
  5. Step 5: Solve for x
    x = 98,443,032,803.61/360,992.42
  6. Step 6: Final answer
    x = 272,701.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.